Bug 1266614 - Fix C4334 in OrderedHashTable.h. r=jandem

MozReview-Commit-ID: 17vReIOrA9k

--HG--
extra : rebase_source : 8c75b79eae6a1e5bba63773b965cdf59b2d7d640

js/src/ds/OrderedHashTable.h

@@ -635,7 +635,8 @@ class OrderedHashTable
             return true;
         }
 
-        size_t newHashBuckets = 1 << (HashNumberSizeBits - newHashShift);
+        size_t newHashBuckets =
+            size_t(1) << (HashNumberSizeBits - newHashShift);
         Data** newHashTable = alloc.template pod_malloc<Data*>(newHashBuckets);
         if (!newHashTable)
             return false;